مهندسی مکانیک مدرس

مهندسی مکانیک مدرس

افزایش پایداری خودروی طویل مفصلی به کمک روش کنترلی حذف‌کننده اختلالات مد لغزشی بازگشتی

نویسندگان
1 دانشگاه صنعتی خواجه‌نصیرالدین طوسی
2 دانشگاه خواجه نصیرالدین طوسی
3 دانشگاه آزاد واحد تهران جنوب
چکیده
امروزه استفاده از خودروهای طویل مفصلی رو به افزایش است. از دلایل اصلی گرایش به این نوع خودروها می‌توان به استفاده از واحد‌های کشنده کمتر برای حمل دو یا چند تریلر اشاره نمود. به عبارت دیگر برای حمل مقدار بار یکسان، به جای استفاده از چند کشنده شبه‌تریلر، می‌توان از تعداد کمتری خودروی طویل مفصلی استفاده نمود.کاهش مصرف سوخت، تولید آلودگی و گاز‌های گلخانه‌ای کمتر و همچنین بکارگیری نیروی انسانی کمتر جهت هدایت خودرو برای حمل بار یکسان به نسبت خودروی مفصلی معمولی از دیگر مزایای استفاده از خودروهای طویل مفصلی می‌باشد. مشکل عمده این خودرو‌ها مانورپذیری ضعیف در سرعت پایین و عملکرد جانبی نامناسب در سرعت بالا می‌باشد، که موجب تصادف‌ها و خسارت‌های جانی و مالی می‌شود. بنابراین برای ارتقا ایمنی آن‌ها به یک سیستم کنترلی نیاز است، که عملکرد خودروهای طویل را بهبود بخشد و از ناپایداری آن‌ها جلوگیری نماید.در این پژوهش پس از استخراج و صحه گذاری مدل دینامیکی، از یک متد کنترلی جدید مبتنی بر ترکیب کنترل‌کننده‌های فعال حذف‌کننده اختلالات و مد لغزشی بازگشتی، به منظور تنظیم دینامیک سمتی خودروی طویل مفصلی استفاده شده است. نتایج به دست آمده نشان‌گر برتری این متد جدید نسبت به کنترل کننده‌های بهینه خطی و مد لغزشی می‌باشد.
کلیدواژه‌ها

موضوعات


عنوان مقاله English

Increase the stability of an articulated long vehicle by active disturbance rejection backstepping sliding mode control method

نویسندگان English

naser esmaili 1
hamed Hamed tabatabaei oreh 3
1 Department of Mechanical Engineering, K. N. Toosi University, Tehran, Iran
3 Department of Mechanical Engineering, Islamic Azad University, Tehran, Iran
چکیده English

Today, the use of articulated long vehicles is surging. The main reasons for tendency of utilizing these vehicles is use of less tractor unit fitted to carry two or more trailers. In other words, in order to carry the same amount of goods, instead of using some tractor semi-trailers, we can make use of fewer articulated long vehicles. Reduction of fuel consumption, a significant decrease in the production of greenhouse gasses as well as using less manpower to direct the vehicle to carry the same load which is related to typical articulated vehicle is of other advantages of long articulated vehicles. The major problems of these vehicles are poor maneuverability at low speed and inappropriate lateral performance at high speed, which would lead to crashes and financial damages. Hence, a control system is required for enhancing the safety of these vehicles, improving the performance of long vehicles and preventing from being unstable. In this study, after mining and verifying the dynamic model, a new control method based on a combination of active disturbance rejection control and backstepping sliding mode control for adjusting lateral dynamic of articulated long vehicles has been utilized. The results portray the superiority of this new method than LQR and sliding mode controllers.

کلیدواژه‌ها English

Transportation Industry
Articulated Long Vehicle
Lateral Stability
Active Disturbance Rejection Backstepping Sliding Mode Controller
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